Duke of Palata (Spanish: Duque de Palata) is a hereditary title in the peerage of Spain, accompanied by the dignity of Grandee and granted in 1646 by Philip IV to Francisco Toralto de Aragón, a paternal descendant of Alfonso V of Aragon. The title makes reference to the town of Palata in Campobasso, Italy, where Toraldo's father held a fiefdom. The 2nd Duchess of Palata was married to Melchor de Navarra, who was viceroy of Peru. He was also known as the Duke of Palata (iure uxoris).